I have been watching people ride bikes from as far back as 1949--some 60 years--to the present, that is, to 2009. Here is some of my background which will give readers here some idea of just where I have been watching this bike-riding. I only rode bikes for about ten years myself: 1952 to 1962, circa. One town where I saw no bike-riding was in Iqaluit on Baffin Island in 1967/8 where I worked as a teacher.-Ron Price, Tasmania